Pollution Monitoring
Pollution Monitoring
Nitrogen oxides are air polluting gasses emitted by car exhausts which can cause acid rain and other damage to the environment. In a NOx analyser a sample of exhaust gas is mixed with ozone, resulting in a chemiluminescent reaction. The light produced is measured by a photomultiplier tube and the concentration of the NOx gas is determined.
Related Products
| Product | Description |
|---|---|
| 9202B Series | 51 mm diameter, 11-stage, red/infra-red trialkali photomultiplier with plano-concave window. |
| 9658B Series | 51 mm diameter, 11-stage, red/infra-red trialkali photomultiplier with prismatic window. |
| 9828B Series | 29 mm diameter, 11-stage, red/infra-red trialkali photomultiplier with prismatic window. |
| HV Bases | Compact high voltage bases that operate from a low voltage supply. |
| PDM03‑9107‑PD | Rectangular module with 30 mm diameter blue bialkali 9107 photomultiplier and TTL output for monitoring PM2.5 and PM10 particles. |
| PDM9107‑AN‑A | Cylindrical module with 30 mm diameter blue bialkali 9107 photomultiplier, amplifier, active divider, and negative HV. |
Oil Exploration
Oil Exploration
In the search for new oil deposits and mapping their extent, a number of measurements are made down test bore holes and even while drilling a hole. Radiation from a radioactive source is scattered by the rock and detected by a photomultiplier tube and scintillator combination. Special photomultiplier tubes are used which can withstand temperatures of up to 200°C encountered several thousand meters underground.
Related Products
| Product | Description |
|---|---|
| 9110FLB Series | Compact, rugged, 25 mm diameter, 10-stage, blue bialkali, photomultiplier with plano-concave window for use at temperatures up to 150°C. |
| 9110V Series | Encapsulated, compact, rugged, 25 mm diameter, 10-stage, blue bialkali, photomultiplier series for use at high temperatures. |
| 9727B Series | 51 mm diameter, 13-stage, blue bialkali, end window photomultiplier for use at temperatures up to 150°C. |
| 9878B Series | 30 mm diameter, 11-stage, blue bialkali, end window photomultiplier for use at temperatures up to 150°C. |
| 9888B Series | 30 mm diameter, 11-stage, blue bialkali, end window photomultiplier for use at temperatures up to 150°C. |
Sorting
Sorting
Transmitted or reflected light measured by photomultiplier tubes is the basis of many sorting and inspection techniques used in manufacturing from potato or diamond sorting by size, to inspecting drink cans for pinholes.
Related Products
| Product | Description |
|---|---|
| 9124B Series | 30 mm diameter, 11-stage, green bialkali, end window photomultiplier. |
| 9125B Series | 30 mm diameter, 11-stage, blue bialkali, end window photomultiplier. |
| 9828B Series | 30 mm diameter, 11-stage, red/infra-red trialkali photomultiplier with prismatic window. |
| 9924B Series | 30 mm diameter, 11-stage, green bialkali, end window photomultiplier. |
| HV Bases | Compact high voltage bases that operate from a low voltage supply. |
| HVM2000 Series | High stability, low cost, modular high voltage power supplies with current and voltage monitoring. |